feat(RELEASE-1307): increases lease timeout

[theflockers]

this PR proposes a change in the default leader election
time controls to decrease the etcd load and allowing the
to wait time to renew the leadership, and also decreasing
the number of requests to etcd.

Signed-off-by: Leandro Mendes <[email protected]>

[openshift-ci]

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 13 lines in your changes missing coverage. Please review.

Project coverage is 78.67%. Comparing base (40d3987) to head (883ea4c).
Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
main.go	0.00%	13 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #617      +/-   ##
==========================================
- Coverage   79.21%   78.67%   -0.55%     
==========================================
  Files          28       28              
  Lines        2247     2260      +13     
==========================================
- Hits         1780     1778       -2     
- Misses        384      398      +14     
- Partials       83       84       +1     

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